I think I can rest assured, because no one has the courage to make a fake and will bear criminal responsibility. If you are still not at ease, you can go to the local quality supervision and inspection agency for inspection. In addition, we should know that the general jade certificate must have two numbers: one number corresponds to the barcode of the merchant, and the other is the number of the testing institution. If you are interested in buying, it is suggested that the landlord can go to www.abbtk.com, where it is more professional and there will be no counterfeiting.